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The Classical Greek letter for the discriminant is 'Delta' , which is shaped like a triangle with the left side being a vetrtical line and standing on a corner of the triangle.

However, 'D' or 'd' is often used in maths.

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Lvl 15
2w ago
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8y ago

Some authors use delta for the discriminant but most people nowadays use D or d.

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Q: What Greek letters stand for the discriminant of the quadratic formula?
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